N2 + 3 H2 - 2 NH3

If 0.76 moles of H2 were used, how many moles of NH3 would be made?

What substance has a mass of 9.5g and volume of 2.1cm^3

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.